package leetcode.calc._06_07;


import java.util.HashMap;

public class _06_27_000_HahsTest {

    static class MyKey{
        @Override
        public int hashCode() {
            return 0;
        }
    }

    public static void main(String[] args) {
        HashMap<Object, Object> map = new HashMap<>();
        for (int i = 0; i < 20; i++) {
            map.put(new MyKey(), i);
        }

    }
}
